28653387

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10259}}^1$

素因数の和:10295

約数の個数: 24

約数和(自身を含む): 46785600

約数和(自身を除く): 18132213

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10259, 30777, 71813, 194921, 215439, 502691, 584763, 1364447, 1508073, 4093341, 9551129, 28653387]

約数ペア:

[(1, 28653387), (3, 9551129), (7, 4093341), (19, 1508073), (21, 1364447), (49, 584763), (57, 502691), (133, 215439), (147, 194921), (399, 71813), (931, 30777), (2793, 10259)]